code: def setUpClass(cls):
      connection_data = {
          "host": "some-url.aws-us-east-2.default.databend.com",
          "port": 443,
          "user": "root",
          "password": "password",
          "database": "test_db",
      }
      cls.handler = DatabendHandler(
          "test_databend_handler", connection_data
      )
  
file_path: mindsdb/mindsdb/integrations/handlers/databend_handler/tests/test_databend_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.databend_handler.databend_handler import DatabendHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 1 for calling the DatabendHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types